package com.cxl.mapreduce._14index;


import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

import java.io.IOException;

/**
 * @author joyson
 * @create 2019-06-27-下午5:32
 */
public class OneIndexReduce extends Reducer<Text, IntWritable,Text,IntWritable> {
    IntWritable v=new IntWritable();
    @Override
    protected void reduce(Text key, Iterable<IntWritable> values, Context context) throws IOException, InterruptedException {
        int sum=0;
        for (IntWritable value:values){
            sum+=value.get();
        }
        v.set(sum);
        context.write(key,v);
    }
}
